77255153360 has 160 divisors (see below), whose sum is σ = 226250019072. Its totient is φ = 23831101440.

The previous prime is 77255153309. The next prime is 77255153377. The reversal of 77255153360 is 6335155277.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532874 + ... + 662166.

Almost surely, 2^77255153360 is an apocalyptic number.

77255153360 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77255153360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113125009536).

77255153360 is an abundant number, since it is smaller than the sum of its proper divisors (148994865712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77255153360 is a wasteful number, since it uses less digits than its factorization.

77255153360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129421 (or 129415 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 77255153360 in words is "seventy-seven billion, two hundred fifty-five million, one hundred fifty-three thousand, three hundred sixty".